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Free-ranging parrot population of Haiku District, Maui, Hawaii
Outside of the breeding season these parakeets are reported ... cavity. Hardy (1963) studied the displays and reproductive behavior of A. canicularis both in captivity and in Mexico. These birds maintained pair bonds throughout the year, nest ... 1993). One to four eggs are laid in the nest cavity. Egg size (n = 4) is 35.9 (35.3-36 ...
www.hear.org

Raptor Rehabilitation of Ky. - Artemis - Barn Owl
His nest tree was cut down in Monroe, Louisiana, and the six chicks ... in 1997 he successfully raised two chicks that fell from their nest cavity in Danville, KY. In 1998 only one Barn Owl chick was ... 13 brought yet another four orphaned chicks after lightening destroyed their nest site near Bowling Green, Kentucky. Nine Barn Owl babies in one ...
www.raptorrehab.org

Southeastern Arizona Bird Observatory Field Trip Photo Album: Parrots and Quetzals in Madera, Chihuahua
The soft wood of Quaking Aspens is ideal for excavating nest cavities. Aspen is a characteristic species of dynamic forests with ongoing ... even logging. It takes a large trunk to hold a parrot-sized nest cavity, and few aspens live the several decades required to grow to ... of wood debris chewed and chipped from the interior of the cavity. The eggs are pale blue like those of other quetzals; ...
www.sabo.org

The Eared Trogon [Euptilotis neoxenus] in Arizona: Behavior, Ecology, and Management of the "Northern Quetzal"
Pat Scott Canyon. We observed that the bird entered the cavity whenever ... On 10 October a group of birders videotaped a female entering a cavity in a dead big-toothed maple (Acer grandidentatum) approximately 1.3 km downstream from the site of the first cavity and easily visible from the Hamburg Trail; a member of the ...
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NMPIF Wetlands 3
... often strong site fidelity to nest tree as opposed to old nest cavity if snags and hardwoods are maintained, can use logged areas with significant edge nest trees are generally aspens infected ... slots or overhangs necessary for nest sites; occasionally uses logs nest sites usually a limiting factor; bridges may provide additional nest sites; will use nest boxes nest locations often near fast or deep ...
hawksaloft.org

NMPIF Forests 4
Estimate Williamson's Sapsucker population ... trees with min.12in dbh averaging about15ft in height cavity nester; often secondary but may excavate in soft ...
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Piaui
These are the scenic, vertical red ones in which the hyacinth macaws nest. These same men, until a few years ago, raided the nests ... use my camcorder. Using only his hands and feet, he reaches the nest cavity, at least fifty feet below, in perhaps a minute and a half ... a loop of the rope around his rump. He disappears into the nest cavity. Its occupants are not in evidence as it is not breeding season ...
macawlanding.org

Purple Martin Nest Replacements
Nest mites eat the skin and drink the blood of their hosts. Heavy infestations can cause death or premature fledging of nestlings because parent martins simply refuse to enter the nest cavity to feed their young. One nest the PMCA sampled had in excess of 50,000 nest mites! A third nest ... the landlord is cleaning and refurbishing their nest cavity. To keep the bucket clean, wait until each ...
purplemartin.org

Building bird nest boxes
Building a bird nest-box - Tawny Owl The natural nesting site for a Tawny Owl is a deep and dark cavity in a tree, such as the hollow in a broken branch, or sometimes they may use the old nest of a Magpie or a Grey Squirrel. This nestbox is meant to represent a deep cavity and it should be sited high ...
www.cornwallwildlifetrust.org.uk

Science and the Environment Bulletin: Woodpeckers Main Thread in Nest Web
The study shows ... the main threads in a complex "nest web" that connects the diverse members of the cavity-nesting community. Of the eight woodpecker ... insects that cause significant tree mortality. The strong dependency of cavity-nesting species on woodpeckers makes it critical that the kind ...
www.ec.gc.ca